Paris

Here's a suggested itinerary for 4 days in Paris:

Day 1:

Start your day with a visit to the iconic Eiffel Tower. You can either climb up to the top or take the elevator for a stunning view of the city. After that, head to the Champs-Élysées, one of the most famous avenues in the world, and stroll down the street to the Arc de Triomphe. From there, you can take a short walk to the Musée d'Orsay, which houses an impressive collection of Impressionist and Post-Impressionist art. End your day with a relaxing boat ride along the Seine River, where you can admire the city's beautiful architecture from a different perspective.

Day 2:

Start your day with a visit to the Louvre Museum, one of the largest and most famous museums in the world. Spend a few hours exploring the museum's vast collection of art and artifacts, including the Mona Lisa and the Venus de Milo. After that, head to the nearby Jardin des Tuileries, a beautiful park where you can relax and enjoy the scenery. In the evening, head to Montmartre, a charming neighborhood known for its bohemian vibe and stunning views of the city. Visit the Sacré-Cœur Basilica and enjoy a delicious dinner at one of the many restaurants in the area.

Day 3:

Start your day with a visit to Notre-Dame Cathedral, one of the most famous landmarks in Paris. After that, head to the nearby Sainte-Chapelle, a stunning Gothic chapel known for its beautiful stained glass windows. From there, take a short walk to the Île de la Cité, a small island in the Seine River that is home to some of the city's oldest and most historic buildings. In the evening, head to the Latin Quarter, a lively neighborhood known for its vibrant nightlife and delicious food. Enjoy a meal at one of the many restaurants in the area and explore the neighborhood's many bars and clubs.

Day 4:

Start your day with a visit to the Palace of Versailles, a stunning royal palace located just outside of Paris. Spend a few hours exploring the palace's beautiful gardens and opulent interiors, including the famous Hall of Mirrors. After that, head back to Paris and visit the Centre Pompidou, a modern art museum known for its unique architecture and impressive collection of contemporary art. In the evening, head to the Eiffel Tower once again and watch the sunset over the city. End your day with a delicious dinner at one of the many restaurants in the area.